@inproceedings{ravana-sosr15,
  author = {Katta, Naga and Zhang, Haoyu and Freedman, Michael and Rexford, Jennifer},
  title = {{Ravana: Controller Fault-tolerance in Software-defined Networking}},
  booktitle = {Proceedings of the 1st ACM SIGCOMM Symposium on Software Defined Networking Research},
  series = {SOSR '15},
  year = {2015},
  location = {Santa Clara, California},
  numpages = {12},
}